Finding the Third Proportional to 2,486,340 and 3,509,460

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486,340 : 3,509,460 = 3,509,460 : x
2. Step 2: Convert to fraction form
   2,486,340/3,509,460 = 3,509,460/x
3. Step 3: Cross multiply
   2,486,340x = 3,509,460 × 3,509,460
4. Step 4: Simplify right side
   2,486,340x = 12,316,309,491,600
5. Step 5: Solve for x
   x = 12,316,309,491,600/2,486,340
6. Step 6: Final answer
   x = 4,953,590.21